.auto-container {
  width: 100vw;
  height: 100vh;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  box-sizing: border-box;
}

.bg_img {
  z-index: 1;
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
}

.count-botton {
  position: relative;
  margin-bottom: 6vh;
  width: 300rpx;
  height: 100rpx;
  /*渐变色网站https://webgradients.com*/
  background-image: linear-gradient(120deg, #f093fb 0%, #f5576c 100%);
  color: #fff;
  font-weight: bold;
  font-size: 32rpx;
  letter-spacing: 4rpx;
  border-radius: 50rpx;
  /*flex布局、横向纵向居中*/
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

/*在ID或类中增加如下的动画代码*/

.fade-in {
  animation-name: fadeIn; /*动画名称*/
  animation-duration: 3s; /*动画持续时间*/
  animation-iteration-count: 1; /*动画次数*/
  animation-delay: 0s; /*延迟时间*/
}

/*定义动画，名称为fadeIn*/

@keyframes fadeIn {
  0% {
        opacity: 0; /*初始状态 透明度为0*/
  }

  50% {
        opacity: 0.6; /*中间状态 透明度为0.6*/
  }

  100% {
        opacity: 1; /*结尾状态 透明度为1*/
  }
}
